41
SERVICING
excel HE -
Installation and Servicing
64 MAINS SWITCH REPLACEMENT
65 CH AND DHW MICROSWITCH REPLACEMENT
1.
Refer to Frame 51.
2.
Remove the boiler front, side and sealing
panels. Refer to Frame 44 and 45. Put the
control box into the servicing position.
Refer to Frame 46.
3.
Remove the two electrical connections from
the mains switch.
4.
Depress the plastic side retention clips and
remove the mains switch from the front of
the control box.
5.
Fit new mains switch and replace electrical
connections.
6.
Check the operation of the boiler. Refer to
Frame 50 and 51.
1.
Refer to Frame 51.
2.
Remove the boiler front, side and sealing
panels. Refer to Frame 44 and 45. Put the
control box into the servicing position. Refer
to Frame 46.
3.
Pull microswitch forward to disconnect from
diaphragm.
4.
Lift plastic retention clip and remove electrical
connection.
5.
Fit electrical connection to new microswitch
and refit to diaphragm.
6.
Re-assemble in reverse order.
7.
Check the operation of the boiler. Refer to
Frame 50 and 51.
SER
VI
C
I
N
G
3
4
4
3
CH
microswitch
DHW
microswitch
